[Pacemaker] Trouble with "Failed application of an update diff"

Andrew Beekhof andrew at beekhof.net
Tue Jun 10 00:20:32 UTC 2014


On 9 Jun 2014, at 11:01 pm, Виталий Туровец <corebug at corebug.net> wrote:

> Hello there again, people!
> 
> After upgrading both nodes to such SW versions:
> 
> pacemaker.x86_64       1.1.10-14.el6_5.3
> pacemaker-cli.x86_64   1.1.10-14.el6_5.3
> pacemaker-cluster-libs.x86_64
> pacemaker-libs.x86_64  1.1.10-14.el6_5.3
> corosync.x86_64        1.4.1-17.el6_5.1 @updates                                
> corosynclib.x86_64     1.4.1-17.el6_5.1 @updates
> 
> I am still facing the same problem: slave in Master/Slave set of MySQL won't start.
> Master actually works correctly.
> Output of cibadmin -Q on both nodes is identical.
> 
> And here's the log of what happens when i try to do "cleanup MySQL_MasterSlave": http://pastebin.com/J90NuyEX. 
> By now i have MySQL slave running in manual mode, but this definitely is not what i'm trying to achieve using Pacemaker.
> Can anyone help with this?
> Again, my pacemaker configuration:

Can you provide the 'cibadmin -Ql' output instead?
We need the status section in order to comment.

> 
> node wb-db1 \
>         attributes standby=off
> node wb-db2 \
>         attributes standby=off
> primitive ClusterIP IPaddr2 \
>         params ip=10.0.1.68 cidr_netmask=32 nic=bond0.100 \
>         op monitor interval=30s \
>         meta target-role=Started
> primitive MySQL mysql \
>         params binary="/usr/bin/mysqld_safe" enable_creation=1 replication_user=slave_user replication_passwd=here_goes_the_password datadir="/var/lib/mysql/db" socket="/var/run/mysqld/mysqld.sock" config="/etc/my.cnf" reader_attribute=readerOK evict_outdated_slaves=false max_slave_lag=600 \
>         op monitor interval=30s \
>         op monitor interval=35s role=Master OCF_CHECK_LEVEL=1 \
>         op monitor interval=60s role=Slave timeout=60s OCF_CHECK_LEVEL=1 \
>         op notify interval=0 timeout=90 \
>         op start interval=0 timeout=120 \
>         op stop interval=0 timeout=120
> primitive MySQL_Reader_VIP IPaddr2 \
>         params ip=10.0.1.66 cidr_netmask=32 nic=bond0.100 \
>         meta target-role=Started
> primitive ping-gateway ocf:pacemaker:ping \
>         params host_list=10.0.1.1 multiplier=100 timeout=1 \
>         op monitor interval=10s timeout=20s
> primitive resMON ocf:pacemaker:ClusterMon \
>         op start interval=0 timeout=90s \
>         op stop interval=0 timeout=100s \
>         op monitor interval=10s timeout=30s \
>         params extra_options="--mail-prefix MainDB_Cluster_Notification --mail-from cluster-alarm at gmsu.ua --mail-to cluster-alarm at gmsu.ua --mail-host mx.gmsu.ua"
> ms MySQL_MasterSlave MySQL \
>         meta master-max=1 master-node-max=1 clone-max=2 clone-node-max=1 notify=true globally-unique=false target-role=Started is-managed=true
> clone pingclone ping-gateway \
>         meta target-role=Started
> location No-MySQL_Reader_VIP MySQL_Reader_VIP \
>         rule $id="No-MySQL_Reader_VIP-rule" -inf: readerOK eq 0 or not_defined readerOK
> location cli-prefer-ClusterIP ClusterIP \
>         rule $id="cli-prefer-rule-ClusterIP" inf: #uname eq wb-db1
> location cli-standby-MySQL_MasterSlave MySQL_MasterSlave \
>         rule $id="cli-standby-rule-MySQL_MasterSlave" -inf: #uname eq wb-db1
> location resourceClusterIPwithping ClusterIP \
>         rule $id="resourceClusterIPwithping-rule" -inf: not_defined pingd or pingd lte 0
> colocation MySQL_Reader_VIP_dislike_ClusterIP -200: MySQL_Reader_VIP ClusterIP
> colocation MysqlMaster-with-ClusterIP inf: MySQL_MasterSlave:Master ClusterIP
> order MysqlMaster-after-ClusterIP inf: ClusterIP MySQL_MasterSlave:promote
> property cib-bootstrap-options: \
>         dc-version=1.1.10-14.el6_5.3-368c726 \
>         cluster-infrastructure="classic openais (with plugin)" \
>         expected-quorum-votes=2 \
>         no-quorum-policy=ignore \
>         stonith-enabled=false \
>         last-lrm-refresh=1402318675
> property mysql_replication: \
>         MySQL_REPL_INFO="wb-db2|mysql-bin.000126|107"
> rsc_defaults rsc-options: \
>         resource-stickiness=200
> 
> Thank you!
> 
> 
> 2014-06-05 3:17 GMT+03:00 Andrew Beekhof <andrew at beekhof.net>:
> 
> On 30 May 2014, at 6:32 pm, Виталий Туровец <corebug at corebug.net> wrote:
> 
> > Hello there, people!
> > I am new to this list, so please excuse me if i'm posting to the wrong place.
> >
> > I've got a pacemaker cluster with such a configuration: http://pastebin.com/1SbWWh4n.
> >
> > Output of "crm status":
> > ============
> > Last updated: Fri May 30 11:22:59 2014
> > Last change: Thu May 29 03:22:38 2014 via crmd on wb-db2
> > Stack: openais
> > Current DC: wb-db2 - partition with quorum
> > Version: 1.1.7-6.el6-148fccfd5985c5590cc601123c6c16e966b85d14
> > 2 Nodes configured, 2 expected votes
> > 7 Resources configured.
> > ============
> >
> > Online: [ wb-db2 wb-db1 ]
> >
> >  ClusterIP      (ocf::heartbeat:IPaddr2):       Started wb-db2
> >  MySQL_Reader_VIP       (ocf::heartbeat:IPaddr2):       Started wb-db2
> >  resMON (ocf::pacemaker:ClusterMon):    Started wb-db2
> >  Master/Slave Set: MySQL_MasterSlave [MySQL]
> >      Masters: [ wb-db2 ]
> >      Stopped: [ MySQL:1 ]
> >  Clone Set: pingclone [ping-gateway]
> >      Started: [ wb-db1 wb-db2 ]
> >
> > There was an unclean shutdown of a cluster and after that i've faced a problem that a slave of MySQL_MasterSlave resource does not come up.
> > When i try to do a "cleanup MySQL_MasterSlave" i see such thing in logs:
> 
> Most of those errors are cosmetic and fixed in later versions.
> 
> > Version: 1.1.7-6.el6-148fccfd5985c5590cc601123c6c16e966b85d14
> 
> It you can get to rhel 6.5 you'll have access to 1.1.10 where these are fixed.
> 
> >
> > May 29 03:22:22 [4423] wb-db1       crmd:  warning: decode_transition_key:      Bad UUID (crm-resource-4819) in sscanf result (3) for 0:0:crm-resource-4819
> > May 29 03:22:22 [4423] wb-db1       crmd:  warning: decode_transition_key:      Bad UUID (crm-resource-4819) in sscanf result (3) for 0:0:crm-resource-4819
> > May 29 03:22:22 [4423] wb-db1       crmd:     info: ais_dispatch_message:       Membership 408: quorum retained
> > May 29 03:22:22 [4418] wb-db1        cib:     info: set_crm_log_level:  New log level: 3 0
> > May 29 03:22:38 [4421] wb-db1      attrd:   notice: attrd_ais_dispatch:         Update relayed from wb-db2
> > May 29 03:22:38 [4421] wb-db1      attrd:   notice: attrd_ais_dispatch:         Update relayed from wb-db2
> > May 29 03:22:38 [4418] wb-db1        cib:     info: apply_xml_diff:     Digest mis-match: expected 2f5bc3d7f673df3cf37f774211976d69, calculated b8a7adf0e34966242551556aab605286
> > May 29 03:22:38 [4418] wb-db1        cib:   notice: cib_process_diff:   Diff 0.243.4 -> 0.243.5 not applied to 0.243.4: Failed application of an update diff
> > May 29 03:22:38 [4418] wb-db1        cib:     info: cib_server_process_diff:    Requesting re-sync from peer
> > May 29 03:22:38 [4418] wb-db1        cib:   notice: cib_server_process_diff:    Not applying diff 0.243.4 -> 0.243.5 (sync in progress)
> > May 29 03:22:38 [4418] wb-db1        cib:     info: cib_replace_notify:         Replaced: -1.-1.-1 -> 0.243.5 from wb-db2
> > May 29 03:22:38 [4421] wb-db1      attrd:   notice: attrd_trigger_update:       Sending flush op to all hosts for: pingd (100)
> > May 29 03:22:38 [4421] wb-db1      attrd:   notice: attrd_trigger_update:       Sending flush op to all hosts for: probe_complete (true)
> > May 29 03:22:38 [4418] wb-db1        cib:     info: set_crm_log_level:  New log level: 3 0
> > May 29 03:22:38 [4418] wb-db1        cib:     info: apply_xml_diff:     Digest mis-match: expected 754ed3b1d999e34d93e0835b310fd98a, calculated c322686deb255936ab54e064c696b6b8
> > May 29 03:22:38 [4418] wb-db1        cib:   notice: cib_process_diff:   Diff 0.244.5 -> 0.244.6 not applied to 0.244.5: Failed application of an update diff
> > May 29 03:22:38 [4418] wb-db1        cib:     info: cib_server_process_diff:    Requesting re-sync from peer
> > May 29 03:22:38 [4423] wb-db1       crmd:     info: delete_resource:    Removing resource MySQL:0 for 4996_crm_resource (internal) on wb-db2
> > May 29 03:22:38 [4423] wb-db1       crmd:     info: notify_deleted:     Notifying 4996_crm_resource on wb-db2 that MySQL:0 was deleted
> > May 29 03:22:38 [4418] wb-db1        cib:   notice: cib_server_process_diff:    Not applying diff 0.244.5 -> 0.244.6 (sync in progress)
> > May 29 03:22:38 [4423] wb-db1       crmd:  warning: decode_transition_key:      Bad UUID (crm-resource-4996) in sscanf result (3) for 0:0:crm-resource-4996
> > May 29 03:22:38 [4418] wb-db1        cib:   notice: cib_server_process_diff:    Not applying diff 0.244.6 -> 0.244.7 (sync in progress)
> > May 29 03:22:38 [4418] wb-db1        cib:   notice: cib_server_process_diff:    Not applying diff 0.244.7 -> 0.244.8 (sync in progress)
> > May 29 03:22:38 [4418] wb-db1        cib:     info: cib_replace_notify:         Replaced: -1.-1.-1 -> 0.244.8 from wb-db2
> > May 29 03:22:38 [4421] wb-db1      attrd:   notice: attrd_trigger_update:       Sending flush op to all hosts for: pingd (100)
> > May 29 03:22:38 [4421] wb-db1      attrd:   notice: attrd_trigger_update:       Sending flush op to all hosts for: probe_complete (true)
> > May 29 03:22:38 [4423] wb-db1       crmd:   notice: do_lrm_invoke:      Not creating resource for a delete event: (null)
> > May 29 03:22:38 [4423] wb-db1       crmd:     info: notify_deleted:     Notifying 4996_crm_resource on wb-db2 that MySQL:1 was deleted
> > May 29 03:22:38 [4423] wb-db1       crmd:  warning: decode_transition_key:      Bad UUID (crm-resource-4996) in sscanf result (3) for 0:0:crm-resource-4996
> > May 29 03:22:38 [4423] wb-db1       crmd:  warning: decode_transition_key:      Bad UUID (crm-resource-4996) in sscanf result (3) for 0:0:crm-resource-4996
> > May 29 03:22:38 [4418] wb-db1        cib:     info: set_crm_log_level:  New log level: 3 0
> > May 29 03:22:38 [4423] wb-db1       crmd:     info: ais_dispatch_message:       Membership 408: quorum retained
> >
> > Here's the cibadmin -Q output from node that is alive: http://pastebin.com/aeqfTaCe
> > And here's the one from failed node: http://pastebin.com/ME2U5vjK
> > The question is: how do i somehow cleanup the things for master/slave resource MySQL_MasterSlave to start working properly?
> >
> > Thank you!
> >
> > --
> >
> >
> >
> >
> > ~~~
> > WBR,
> > Vitaliy Turovets
> > Lead Operations Engineer
> > Global Message Services Ukraine
> > +38(093)265-70-55
> > VITU-RIPE
> >
> > _______________________________________________
> > Pacemaker mailing list: Pacemaker at oss.clusterlabs.org
> > http://oss.clusterlabs.org/mailman/listinfo/pacemaker
> >
> > Project Home: http://www.clusterlabs.org
> > Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
> > Bugs: http://bugs.clusterlabs.org
> 
> 
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> 
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> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
> Bugs: http://bugs.clusterlabs.org
> 
> 
> 
> 
> -- 
> 
> 
> 
> 
> ~~~
> WBR,
> Vitaliy Turovets
> Lead Operations Engineer
> Global Message Services Ukraine
> +38(093)265-70-55
> VITU-RIPE
> 
> _______________________________________________
> Pacemaker mailing list: Pacemaker at oss.clusterlabs.org
> http://oss.clusterlabs.org/mailman/listinfo/pacemaker
> 
> Project Home: http://www.clusterlabs.org
> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
> Bugs: http://bugs.clusterlabs.org

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